lib: Add i_failure_handler_is_internal()

dovecot · Apr 27, 2018 · 1b2edce · 1b2edce
1 parent d0d7b0a
commit 1b2edce
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diff --git a/src/lib/failures.c b/src/lib/failures.c
@@ -735,6 +735,12 @@ void i_set_failure_internal(void)
 	i_set_debug_handler(i_internal_error_handler);
 }
 
+bool i_failure_handler_is_internal(failure_callback_t *const callback)
+{
+	return callback == i_internal_fatal_handler ||
+		callback == i_internal_error_handler;
+}
+
 void i_set_failure_ignore_errors(bool ignore)
 {
 	failure_ignore_errors = ignore;

diff --git a/src/lib/failures.h b/src/lib/failures.h
@@ -103,6 +103,9 @@ void i_set_failure_file(const char *path, const char *prefix);
 
 /* Send errors to stderr using internal error protocol. */
 void i_set_failure_internal(void);
+/* Returns TRUE if the given callback handler was set via
+   i_set_failure_internal(). */
+bool i_failure_handler_is_internal(failure_callback_t *const callback);
 /* If writing to log fails, ignore it instead of existing with
    FATAL_LOGWRITE or FATAL_LOGERROR. */
 void i_set_failure_ignore_errors(bool ignore);